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Terminator Throttle Body Harness

Injector upgrade harness for Terminator Throttle Bodies.

PART# 558-439

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Injector upgrade harness for Terminator Throttle Body Systems. This harness is designed to be plug and play with our 205 lb/hr injector upgrade kit, Part Number 522-205.


BrandHolley EFI
Emission Code4
Product TypeTerminator Throttle Body Harness
Part Number558-439



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

Holley EFI Dealers
Do you need a custom kit built for your application? Do you need a system installed and tuned? Click here to find the Holley EFI dealer in your area!
This harness does NOT fit the Terminator Stealth Throttle Body
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        Some parts are not legal for use in California or other states with similar regulations.